More than 200 complaints filed after multiple Colorado gas stations received contaminated fuel

Anyone who got gas Wednesday after 2 p.m. or Thursday and thinks they were affected can file a complaint with Colorado's ...
GM Authority

Everything To Know About DEF With The GM Duramax 3.0L LZ0 Engine

Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...